.imageButton span
{
 *positioned: relative;
 visibility:hidden;
/* for IE6 */  
 /*
 _visibility:visible;
 _filter:alpha(opacity=0);
 */
}

.edit
{
    
    background:url(../image/edit.gif) no-repeat 50% 50%;    
    border:0 none;
    height:20px;
    width:22px;
    cursor:pointer;
    text-decoration:none;
    display:inline-block;
}

.delete
{
    border:0 none;
    height:20px;
    width:22px;
    background:url(../image/delete.gif) no-repeat;  
    cursor:pointer;
    text-decoration:none;
}

.alter
{
    border:0 none;
    height:20px;
    width:22px;
    background:url(../image/alter.gif) no-repeat;  
    cursor:pointer;
    text-decoration:none;
}

.day
{
    border:0 none;
    height:20px;
    width:22px;
    background:url(../image/day.gif) no-repeat;  
    cursor:pointer;
    text-decoration:none;
}
